DB3+4

Plants get their energy from the sun

• True

• False

Plants do not need to breathe for the same reason people and animals must breathe

• True

• False

Plants need oxygen to convert food into energy

• True

• False

Water is not necessary for photosynthesis

• True

• False

Plants use energy from the sun to create their own food. During this process, plants use     ____? from the air and hydrogen from the water absorbed through their roots and release oxygen as a byproduct.

• Oxygen

• 1. Air

• 1. Nitrogen

• Carbon dioxide

____? in the plant absorbs the sun’s energy for use in photosynthesis.

• Heat

• Chloroplasts

• Stem

• Flower

____? is essential for plant survival.

• Sunlight

• Wind

• Heat

• Soil

Why do plants need air (carbon dioxide) to grow?

• Plants use carbon dioxide to keep firm

• Plants use carbon dioxide to transport food to different parts of the plants

• Plants use carbon dioxide to reproduce

• Plants use carbon dioxide to make food